Prerequisite
l
The physical network topology must be set up.
l
NEs, boards, and fibers must be successfully created on the U2000.
l
An MSP subnet must be created and must be the same as the actual topology. For details
about how to create a protection subnet, see
2.6.4 Creating a Linear MS Protection
l
The operator must understand the information provided in
3.7.2 Signal Flow and Timeslot
Background Information
In end-to-end mode, configuration of two-fiber unidirectional MSP services is similar to
configuration of two-fiber bidirectional MSP services. The only difference is that you set
Direction
to
Unidirectional
for two-fiber unidirectional MSP services and set
Direction
to
Bidirectional
for two-fiber bidirectional MSP services.
Procedure
Step 1
Choose
Service
>
SDH Trail
>
Create SDH Trail
from the Main Menu.
Step 2
Create the VC-4 service-layer trail.
1.
Configure the parameters as follows. Set
Level
to
VC4 Server Trail
. The other parameters
take default values.
2.
Double-click the source NE (NE1) and sink NE (NE3) on the right of the main topology
and click
Apply
. In the
Operation Result
dialog box that is displayed, click
Close
.
3.
Optional:
In the
Operation Result
dialog box that is displayed, you can also click
Browse
Trail
to query the created VC4 service-layer trail.
Step 3
Create VC12 services.
1.
In
Create SDH Tail
, configure the parameters as follows. Set
Level
to
VC12
and set
Direction
to
Bidirectional
. The other parameters take default values.
2.
Double-click the source NE on the right of the main topology. The
Select Board Port-
Source
dialog box is displayed. Select the required PDH board and
Tributary Port
. Click
OK
.
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
3 Configuring SDH Services
Issue 02 (2011-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3-43